Fracture charging or ballooning effects were evaluated while drilling high pressure, high temperature (HPHT) wells. A method based on analytical and numerical approaches for estimating the volumetric expansion of wellbores as a function of wellbore pressure is presented. Analysis showed that the diametric expansion of wellbore must be in the range of centimeters at the critical pressure and consumed a significant number of extra mud barrels before breakout.


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    Titel :

    A practical method for evaluating effects of fracture charging and/or ballooning when drilling high pressure, high temperature (HPHT) wells


    Beteiligte:
    Helstrup, O.A. (Autor:in) / Rahman, M.K. (Autor:in) / Hossain, M.M. (Autor:in) / Rahman, S.S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2001


    Format / Umfang :

    10 Seiten, 23 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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